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Early evolution of galaxies and of large-scale structure from CMB experiments

De Zotti, Gianfranco, Bonato, Matteo, Negrello, Mattia ORCID:, Herranz, Diego, Lopez-Caniego, Marcos, Trombetti, Tiziana, Burigana, Carlo, Bonavera, Laura, Gonzalez-Nuevo, Joaquin, Hanany, Shaul and Rocha, Graca 2019. Early evolution of galaxies and of large-scale structure from CMB experiments. [Discussion Paper]. Astro2020 US Decadal Survey, Astro2020 US Decadal Survey.

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Next generation CMB experiments with arcmin resolution will, for free, lay the foundations for a real breakthrough on the study of the early evolution of galaxies and galaxy clusters, thanks to the detection of large samples of strongly gravitationally lensed galaxies and of proto-clusters of dusty galaxies up to high redshifts. This has an enormous legacy value. High resolution follow-up of strongly lensed galaxies will allow the direct investigation of their structure and kinematics up to z~6, providing direct information on physical processes driving their evolution. Follow-up of proto-clusters will allow an observational validation of the formation history of the most massive dark matter halos up to z~4, well beyond the redshift range accessible via X-ray or SZ measurements. These experiments will also allow a giant leap forward in the determination of polarization properties of extragalactic sources, and will provide a complete census of cold dust available for star formation in the local universe.

Item Type: Monograph (Discussion Paper)
Date Type: Submission
Status: In Press
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Astro2020 US Decadal Survey
Date of First Compliant Deposit: 12 July 2019
Last Modified: 26 Oct 2022 07:10

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